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Monthly climate in Hvittingfoss, Norway

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Hvittingfoss features a oceanic climate (Cfb). Temperatures typically range between -2 °C (28 °F) and 17 °C (63 °F) through the year, but rarely can drop to -18 °C (-1 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 1220 mm (48.0 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually. Hvittingfoss enjoys an average of 3391 hours of sunshine throughout the year, and daylight varies from 6 hours 9 minutes to 18 hours 30 minutes per day.

Monthly average temperatures in Hvittingfoss, Norway

The warmest months in Hvittingfoss are June, July and August, with daily mean temperatures ranging from 15 to 17 °C (60 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to -2 °C (28 - 29 °F) throughout the day. On average each year, Hvittingfoss experiences 11 days above 25 °C (77.0 °F) and 124 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hvittingfoss. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(50°F)		10°C
(50°F)		18°C
(64°F)		22°C
(72°F)		28°C
(83°F)		29°C
(84°F)		31°C
(88°F)		27°C
(81°F)		25°C
(77°F)		18°C
(65°F)		15°C
(59°F)		8°C
(47°F)
Mean maximum7°C
(45°F)		7°C
(45°F)		13°C
(57°F)		18°C
(64°F)		24°C
(75°F)		25°C
(77°F)		27°C
(81°F)		25°C
(77°F)		22°C
(71°F)		15°C
(60°F)		12°C
(53°F)		7°C
(45°F)
Average high0°C
(33°F)		1°C
(34°F)		5°C
(41°F)		10°C
(50°F)		15°C
(59°F)		20°C
(68°F)		22°C
(71°F)		20°C
(68°F)		16°C
(60°F)		10°C
(50°F)		4°C
(40°F)		0°C
(32°F)
Daily mean-2°C
(28°F)		-2°C
(28°F)		1°C
(33°F)		5°C
(41°F)		10°C
(51°F)		16°C
(60°F)		17°C
(63°F)		15°C
(60°F)		12°C
(53°F)		7°C
(44°F)		2°C
(36°F)		-2°C
(29°F)
Average low-5°C
(23°F)		-5°C
(23°F)		-3°C
(26°F)		0°C
(33°F)		5°C
(42°F)		11°C
(52°F)		12°C
(54°F)		11°C
(52°F)		8°C
(47°F)		4°C
(39°F)		0°C
(32°F)		-4°C
(25°F)
Mean minimum-15°C
(6°F)		-14°C
(8°F)		-12°C
(11°F)		-6°C
(21°F)		-2°C
(29°F)		6°C
(44°F)		8°C
(46°F)		6°C
(43°F)		4°C
(39°F)		-3°C
(27°F)		-8°C
(18°F)		-13°C
(9°F)
Minimum-18°C
(-1°F)		-18°C
(-1°F)		-16°C
(3°F)		-10°C
(14°F)		-5°C
(24°F)		3°C
(38°F)		7°C
(44°F)		5°C
(41°F)		0°C
(33°F)		-5°C
(23°F)		-14°C
(8°F)		-17°C
(2°F)

Compare climate in Hvittingfoss with other places

Compare temperature, precipitation, sunshine, UV index in Hvittingfoss, Norway with other places around the world.

Monthly average precipitation in Hvittingfoss, Norway

Hvittingfoss usually has the most precipitation in September, October and December, with an average of 15 rainy days and 138 mm (5.4 inches) of precipitation per month. The driest months in Hvittingfoss are January, February and April. On average, 66 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hvittingfoss. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)75 (2.9)80 (3.1)80 (3.2)43 (1.7)92 (3.6)105 (4.2)114 (4.5)98 (3.9)134 (5.3)148 (5.8)119 (4.7)131 (5.1)
Average precipitation days (≥ 1 mm)911961213121414151417

Monthly sunshine hours in Hvittingfoss, Norway

The sunniest months in Hvittingfoss are May, June and July, when the sun shines an average of 14 hours 29 minutes a day. Least sunny months in Hvittingfoss: January, November and December receive an average of 3 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hvittingfoss. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours94178287367413450468397278223129100
Mean daily daylight hours6h 56m9h 12m11h 52m14h 34m17h 4m18h 30m17h 43m15h 25m12h 46m10h 5m7h 35m6h 9m

Solar UV radiation in Hvittingfoss, Norway

Hvittingfoss experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 5 - 7, which corresponds to the Moderate / High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Hvittingfoss UV Index data.

Average daily maximum UV levels by month for Hvittingfoss. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)123457754211